18123950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{27883}}^1$

素因数の和:27908

約数の個数: 24

約数和(自身を含む): 36304968

約数和(自身を除く): 18181018

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 27883, 55766, 139415, 278830, 362479, 697075, 724958, 1394150, 1812395, 3624790, 9061975, 18123950]

約数ペア:

[(1, 18123950), (2, 9061975), (5, 3624790), (10, 1812395), (13, 1394150), (25, 724958), (26, 697075), (50, 362479), (65, 278830), (130, 139415), (325, 55766), (650, 27883)]